BK50 Pulley 3/4" Bore Iwis #40 SA1 Attachment Chain This 160BTB15 sprocket is a

This 160BTB15 sprocket is a durable

100Q18 sprockets are bored to accept a Q1 type taper bushing

160B23H sprockets with a stock bore comes with the standard 1-1/2" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes

20A Roller Chain Dimensions

BK50 Pulley 3/4" Bore Iwis #40 SA1 Attachment Chain This 160BTB15 sprocket is aThis BK50 Pulley 3 4" bore is directly interchangeable with other manufacturers, is 4. 75" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. It works with belt sizes A, 4L, B, 5L, AX, BX, AA, and BB. What separates this BK50 pulley from the others is that it is made using a high grade 35 cast iron, is phosphate coated, painted, and balanced at the factory. Using the grade 35 cast iron offers a higher tensile